20 Years Factory C45 Round Bar | AISI 1045 | DIN 1.1191 | JIS S45C in Czech Republic

20 Years Factory
 C45 Round Bar | AISI 1045 | DIN 1.1191 | JIS S45C in Czech Republic

Short Description:

Steel C45 Round Bar is an unalloyed medium carbon steel, which is also a general carbon engineering steel. C45 is a medium strength steel with good machinability and excellent tensile properties. C45 round steel is generally supplied in the black hot rolled or occasionally in the normalised condition, with a typical tensile strength range 570 – 700 Mpa and Brinell hardness range 170 – 210 in either condition. It does not however respond satisfactorily to nitriding due to a lack of suita...


  • Length: 3-5.8mm or Customization
  • Surface: black, peeled, or rough turned
  • Heat treatment: air-cooling, normalized, annealed, Q&T
  • Smelting process: EAF+LF+VD
  • Product Detail

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    Steel C45 Round Bar is
    an unalloyed medium carbon steel, which is also a general carbon
    engineering steel. C45 is a medium strength steel with good
    machinability and excellent tensile properties. C45 round steel is
    generally supplied in the black hot rolled or occasionally in the
    normalised condition, with a typical tensile strength range 570 – 700
    Mpa and Brinell hardness range 170 – 210 in either condition. It does
    not however respond satisfactorily to nitriding due to a lack of
    suitable alloying elements.

    C45 round bar steel is equivalent to EN8 or 080M40.
    Steel C45 bar or plate is suitable for the manufacture of parts such as
    gears, bolts, general-purpose axles and shafts, keys and studs.

    1. Supply Range of Steel C45 Round Bar

    • C45 Steel Round Bar: diameter 8mm – 3000mm

    • C45 Steel Plate: thickness 10mm – 1500mm  x width 200mm – 3000mm

    • C45 Steel Flat Bar: 200mm – 1000mm

    • Square C45 Steel: 20mm-800mm

    • Hexagon Steel.

    Surface Finish: Black, Rough Machined, Turned or as per given requirements.

    2. Common C45 Steel Specifications

    Country USA British Japan Australia
    Standard ASTM A29 EN 10083-2 JIS G4051 AS 1442
    Grades 1045 C45/1.1191 S45C 1045

    3. C45 Round Bar Steel Chemical Composition Properties

    Standard Grade C Mn P S Si Ni Cr
    ASTM A29 1045 0.43-0.50 0.60-0.90 0.04 0.050  -  -  -
    EN 10083-2 C45/1.1191 0.42-0.50 0.50-0.90 0.03 0.035 0.04 0.4 0.4
    JIS G4051 S45C 0.42-0.48 0.60-0.90 0.03 0.035 0.15-0.35  -  -

    4. Mechanical Properties of C45 Round Bar Steel Material

    • Mechanical Properties in Quenched+Tempered Condition

    Diameter d (mm) Thickness t (mm) 0.2 % proof stress (N/mm2) Tensile strength (N/mm2) Elongation A5 (%) Reduction Z (%)
    <16 <8 min. 490 700-850 min. 14 min. 35
    <17-40 <8<=20 min. 430 650-800 min. 16 min. 40
    <41-100 <20<=60 min. 370 630-780 min. 17 min. 45
    Diameter d (mm) Thickness t (mm) 0.2 % proof stress (N/mm2) Tensile strength (N/mm2) Elongation A5(%)
    <16 <16 min. 390 min. 620 min. 14
    <17-100 <16<=100 min. 305 min. 305 min. 16
    <101-250 <100<250 min. 275 min. 560 min. 16

    5. Forging of Carbon Steel C45 Round Bar

    Hot forming temperature: 850-1200oC.

    Pre
    heat to 750 oC – 800 oC, then continue heating to 1100 oC – 1200 oC
    maximum, hold until temperature is uniform throughout the section and
    commence forging immediately. Forging is not workable below 850 oC.
    Finished forgings could be air cooled.

    We are strong on forged steel C45 round bar. Welcome enquiry of C45 steel materials.

    6. DIN C45 Round Bar Steel Grade Heat Treatment

    Forging or hot rolling: 1100 – 850°C
    Normalising:  840 – 880°C/air
    Soft annealing:  680 – 710°C/furnace
    Hardening:  820 – 860°C/water, oil
    Tempering:  550 – 660°C/air

    7. Hardening of DIN C45 Steel Hardening

    Harden from a temperature of 820-860oC followed by water or oil quenching.

    Heat
    to 820 oC – 850 oC hold until temperature is uniform throughout the
    section, soak for 10 – 15 minutes per 25mm of section, and quench in
    water or brine. Or,

    Heat to 830 oC – 860 oC soak as above and quench in oil.Temper immediately while still hand warm.

    Surface hardness for C45 special steel round bar after flame or induction hardning:

    • Steel Name       Steel number          Surface Harndess

    • C45                        1.1191                        min. 55 HRC

    8. Application of DIN Carbon Steel C45 Round Bar

    DIN
    C45 round bar steel material and steel plate C45, flats are widely used
    in all industry for uses which require more strength and wear
    resistance than the low carbon mild steel.

    Quenched and
    subsequently tempered steel for C45 steel grade round bar, steel plate,
    flat and square is used for axles, bolts, forged connecting rods,
    crankshafts, torsion bars, light gears, guide rods, screws, forgings,
    wheel tyres, shafts, sickles, axes, knives, wood working drills,
    hammers, etc.

    Welcome customers to inquiry DIN C45 round bar,
    CK45/1.1191 steel plate, flat steel for C45 steel price. We are
    professional supplier and exporter for more than 20 years. We offer you
    worldwide solution for C45 round bar steel.

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